Use the filter matrix for the convolution function instead of the 3rd-order tensor.
Use the filter matrix for the convolution function instead of the 3rd-order tensor.

palashahuja/mlpack,BookChan/mlpack,ersanliqiao/mlpack,ersanliqiao/mlpack,theranger/mlpack,darcyliu/mlpack,erubboli/mlpack,theranger/mlpack,ajjl/mlpack,darcyliu/mlpack,darcyliu/mlpack,stereomatchingkiss/mlpack,ajjl/mlpack,erubboli/mlpack,erubboli/mlpack,lezorich/mlpack,ranjan1990/mlpack,lezorich/mlpack,stereomatchingkiss/mlpack,ersanliqiao/mlpack,palashahuja/mlpack,BookChan/mlpack,ranjan1990/mlpack,theranger/mlpack,BookChan/mlpack,ajjl/mlpack,palashahuja/mlpack,stereomatchingkiss/mlpack,ranjan1990/mlpack,lezorich/mlpack